CN103410243A - Wide channel double-layer ventilating outer wall utilizing photovoltaic power generation - Google Patents
Wide channel double-layer ventilating outer wall utilizing photovoltaic power generation Download PDFInfo
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- CN103410243A CN103410243A CN2012105818154A CN201210581815A CN103410243A CN 103410243 A CN103410243 A CN 103410243A CN 2012105818154 A CN2012105818154 A CN 2012105818154A CN 201210581815 A CN201210581815 A CN 201210581815A CN 103410243 A CN103410243 A CN 103410243A
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Abstract
The invention discloses a wide channel double-layer ventilating outer wall utilizing photovoltaic power generation, and belongs to the technical field of solar power generation building integration. The wide channel double-layer ventilating outer wall utilizing the photovoltaic power generation comprises a solid wall (6) and a solar cell panel (1) which is fixedly connected to the outer side of the solid wall (6) through a chemical anchor bolt (3). The wide channel double-layer ventilating outer wall utilizing the photovoltaic power generation is characterized in that a cavity (5) is reserved between the solid wall (6) and the solar cell panel (1). The width of the cavity (5) is controlled between 150mm and 200mm, an air outlet is formed in the upper portion of the cavity (5) and is provided with an air outlet valve (7), and an air inlet is formed in the lower portion of the cavity (5) and is provided with an air inlet valve (8). According to the BIPV method that the solar cell panel is combined with the solid outer wall, the cavity is reserved between the solar cell panel and the solid outer wall, the heat produced when the solar cell panel generates the electricity is brought away through the chimney effect, and the thermal radiation effect on building outer walls is reduced.
Description
Technical field
The invention belongs to solar electrical energy generation architecture-integral (being called for short BIPV) technical field, particularly a kind of double-layer ventilation formula exterior wall that reduces the back panel of solar photovoltaic module temperature.
Background technology
Solar energy resources is abundant, and the solar energy utilization is to alleviate a kind of effective way of energy-intensive, and wherein solar electrical energy generation architecture-integral (being called for short BIPV) is the main flow trend that current solar energy utilizes.Solar panel and building effectively are combined into one, and do not need additional space, and the energy local use of generation, reduced conveying energy consumption.The combination of BIPV has multiple, photoelectricity roofing, photoelectricity exterior wall, photoelectric curtain wall, photoelectricity sunshading board structure etc.
Yet the generating efficiency of self, not only fallen in the fuel factor produced in the solar panel power generation process, and make building itself be subject to strong heat radiation, have to adopt air-conditioning temperature-reducing, increased the operation energy consumption of building.
Existing correlative study reduces the method for BIPV solar energy thermal effect, most for the solar panel self structure increases cooling-part, or solar power system recovery heat, controls the temperature of solar panel.These researchs, for solar cell and the characteristics that building combines, do not take full advantage of building as the carrier auxiliary temperature-reducing.
Special aeration-cooling design has been done for photoelectric curtain wall by some curtain wall producers, and declares and obtained corresponding patent.The principle of these patents is roughly the same, makes airtight photoelectric curtain wall into the open type curtain wall.Photoelectric curtain wall generally is designed to double-decker, the photoelectric curtain wall that skin combines for solar panel, internal layer (near Indoor environment) is glass or the other materials of printing opacity, in the middle of double-deck, reserved cavity, increase up and down ventilation opening, utilize " stack effect " or forced ventilation, take away the waste heat of outer photoelectric curtain wall, reduce the heat radiation impact of photoelectric curtain wall on inner layer glass.If the employing forced ventilation, can utilize part photoelectric curtain wall generated energy, provide supply of electric power to ventilation fan.Above-mentioned patent takes full advantage of the characteristics of BIPV, improves cell panel and Integration of building parts and structure and forms, and is worth using for reference.Weak point, in order to produce " stack effect ", the width of photoelectric curtain wall cavity and highly all strict demand must be arranged, could drain heat smoothly.And the forced ventilation mode, the control of wind speed also has requirement, and these patents all do not relate to.These patents have only realized the function of ventilating, but can't ensure the effect of ventilation.
A lot of BIPV engineerings more are inclined to the mode that adopts solar panel to combine with the entity exterior wall, solar panel are arranged on to the position of south elevation or the thing facade wall between windows of building.This BIPV mode, avoided the contradiction between photoelectric curtain wall and indoor lighting, more easily by architect or owner, accepted.Solar panel, in the situation that the strong temperature of daylight in summer rises to 70 ℃ ~ 100 ℃, is that the entity exterior wall also has thermal radiation effect significantly to inboard.In order to solve the heat radiation impact of cell panel generating on the entity exterior wall,, the invention provides a kind of wide-pass double-layer ventilation external wall structure that utilizes photovoltaic generation.
Summary of the invention
In order to solve in the solar electrical energy generation process, temperature raises and to cause the self generating Efficiency Decreasing and on the problem of the heat radiation impact of architecture indoor, the present invention has designed a kind of double-layer ventilation exterior wall that utilizes natural ventilation system cools solar cell plate, building is installed solar photovoltaic cell panel towards sunny side (mostly being east elevation, south elevation and western facade) wall between windows position, form double-decker, outer solar panel for the polylith splicing, internal layer is the building wall between windows.
The present invention adopts following technical scheme:
A kind of wide-pass double-layer ventilation exterior wall that utilizes photovoltaic generation, the solar panel 1 that it comprises solid wall 6 and is fastened on solid wall 6 outsides by chemical anchor bolts 3, described solid wall 6 and the middle cavity 5 of having reserved of solar panel 1.The width of cavity 5 is controlled in 150 ~ 200mm, and cavity 5 tops are provided with air outlet, and outlet valve 7 is installed at the air outlet place, and cavity 5 belows are provided with air intake, and the air intake place is installed into air-valve 8.
In cavity, 5 have installed temperature pick up 4, and temperature pick up 4 ground inputs are connected to controller 9 temperature of monitoring is sent to controller 9.The control end of controller 9 is connected the opening and closing of controlling outlet valve 7 and air inlet valve 8 with air inlet valve 8 with outlet valve 7.
The square formation that solar panel 1 is comprised of the splicing of polylith cell panel, the square formation vertical height is controlled at 8 ~ 10 meters; Between two square formations, leave the gap of 1 ~ 2 meter, reduce the heat string wind phenomenon between square formation.
It is controller 9 power supplies that the output of solar panel 1 connects controller 9.
The solar panel of solar panel 1 for adopting polysilicon, monocrystalline silicon, thin film amorphous silicon or multi-element compounds type battery chip to be composed in series.
If non-heating season is measured temperature, surpass 30 ℃, controller is opened air intake and air outlet, in cavity, forms stack effect, under the driving force of hot pressing, cold air enters cavity from air intake, and temperature raises under the heat radiation of solar panel, and hot air is discharged from air outlet.Heating season air intake and air outlet air-valve Close All, in cavity, form a greenhouse, strengthen the heat-insulating property of building itself.
The present invention is directed to the BIPV mode that solar panel combines with the entity exterior wall, reserved cavity between solar panel and entity exterior wall, by " stack effect ", take away the quantity of heat production in the solar panel power generation process, reduce the thermoradiation efficiency to skin.Beneficial effect of the present invention (1) has reduced the solar panel operating temperature, has improved generating efficiency; (2) adopt the mode cools solar cell plate of natural ventilation, do not need electrically ventilating equipment, the cooling procedure noenergy consumes; (3) adopt the mode cools solar cell plate of natural ventilation, do not need electrically ventilating equipment, simplified system architecture, construction install convenience, do not need the follow-up maintenance maintenance work; (4) radiation that has reduced skin obtains heat, has reduced the building air conditioning operation energy consumption; (5) reduced the surface temperature of skin, avoided the negative effect to indoor thermal comfort effect, improved indoor quality of life and improved operating efficiency.
The accompanying drawing explanation:
Fig. 1 is wide-pass double-layer ventilation exterior wall elevation.
Fig. 2 is wide-pass double-layer ventilation exterior wall partial enlarged drawing.
Fig. 3 is wide-pass double-layer ventilation exterior wall sectional drawing.
Fig. 4 is wide-pass double-layer ventilation exterior wall sectional drawing (band rivet)
Fig. 5 is wide-pass double-layer ventilation exterior wall lateral view.
The outer wall vent schematic diagram of Fig. 6 wide-pass double-layer ventilation
In figure: 1, solar panel, 2, angle steel, 3, chemical anchor bolts, 4, temperature pick up, 5, cavity, 6, solid wall, 7, outlet valve, 8, air inlet valve, 9, controller, 6-1, exterior wall concrete structure, 6-2, A level fire-retardant heat-insulation material.
The specific embodiment:
As Fig. 1, solar panel 1 is spliced into square formation, is arranged on building Chaoyang facade, is generally south elevation, western facade or east elevation.The square formation vertical height is controlled at 8 ~ 10 meters, thereby guarantees that " stack effect " reaches enough hot pressing, and breadth wise dimension is determined according to building.Between two square formations, leave the gap of 1 ~ 2 meter, reduce the heat string wind phenomenon between square formation.
As Fig. 3, solar panel 1 is fixed in concrete structure 6-1 by angle steel 2.。
As Fig. 4, solar panel 1 is connected and fixed by chemical anchor bolts 3 with concrete structure 6-1, and chemical anchor bolts 3 are arranged in the concrete bearing member and avoid reinforcement location, and the effective anchorage depth of chemical anchor bolts is not less than 8d(octuple diameter).
As Fig. 4, between exterior wall 6 and solar panel 1, leave cavity 5, the size Control of cavity 5 is at 150 ~ 200mm, thereby guarantees enough air mass flows.Air intake and air-valve 8 have been designed in cavity 5 belows, and air outlet and air-valve 7 have been designed in the cavity top.Mounting temperature sensor 4 in cavity, be connected with controller 9 by light current RVVP line.Its middle controller 9 is illustrated position.
As Fig. 5, controller 9, according to the temperature of temperature pick up 4 monitorings, controls the unlatching of air intake air-valve 8 and air outlet air-valve 7 or cuts out.
In building, do not need in situation about heating, temperature value according to sensor 4 monitorings, if temperature is over 30 ℃, open air intake air-valve 8 and air outlet air-valve 7, cold air enters cavity 5 under the driving of hot pressing, at the good natural ventilating status of the interior formation of cavity 5, after taking away heat, flow out from air outlet.Due to the control of cavity 5 width and height, the direction of natural ventilation rate and flow all can be protected.If indoor, need heating, controller 9 cuts out air intake air-valve 8 and air outlet air-valve 7, the interior formation of cavity 5 greenhouse.
In the situation that hot summer and warm winter region etc. do not need to heat, the material of exterior wall 6-2 is face brick, coating or other ornament materials throughout the year.According to the temperature value of sensor 4 monitorings, if temperature surpasses 30 ℃, controller 9 is opened air intake air-valve 8 and air outlet air-valve 7, cold air enters cavity 5 under the driving of hot pressing, at the good natural ventilating status of the interior formation of cavity 5, after taking away heat, reserve from air outlet.Due to the control of cavity 5 width and height, the direction of natural ventilation rate and flow all can be protected.
Claims (6)
1. wide-pass double-layer ventilation exterior wall that utilizes photovoltaic generation, the solar panel (1) that it comprises solid wall (6) and is fastened on solid wall (6) outside by chemical anchor bolts (3) is characterized in that: described solid wall (6) and the middle cavity (5) of having reserved of solar panel (1).The width of cavity (5) is controlled in 150 ~ 200mm, and cavity (5) top is provided with air outlet, and outlet valve (7) is installed at the air outlet place, and cavity (5) below is provided with air intake, and the air intake place is installed into air-valve (8).
2. the wide-pass double-layer ventilation exterior wall that utilizes photovoltaic generation according to claim 1, it is characterized in that: (5) have installed temperature pick up (4) in cavity, and temperature pick up input (4) is connected to controller (9) temperature of monitoring is sent to controller (9).The control end of controller (9) is connected the opening and closing of controlling outlet valve (7) and air inlet valve (8) with air inlet valve (8) with outlet valve (7).
3. the wide-pass double-layer ventilation exterior wall that utilizes photovoltaic generation according to claim 2 is characterized in that: the square formation that solar panel (1) is comprised of the splicing of polylith cell panel, and the square formation vertical height is controlled at 8 ~ 10 meters; Between square formation, leave the gap of 1 ~ 2 meter, reduce the heat string wind phenomenon between square formation.
4. the wide-pass double-layer ventilation exterior wall that utilizes photovoltaic generation according to claim 3 is characterized in that: the output of solar panel (1) connects controller (9) and is controller (9) power supply.
5. the wide-pass double-layer ventilation exterior wall that utilizes photovoltaic generation according to claim 4, is characterized in that: the solar panel of solar panel (1) for adopting polysilicon, monocrystalline silicon, thin film amorphous silicon or multi-element compounds type battery chip to be composed in series.
6. the wide-pass double-layer ventilation exterior wall that utilizes photovoltaic generation according to claim 4, it is characterized in that: chemical anchor bolts (3) are arranged in the concrete bearing member and avoid reinforcement location, the effective anchorage depth of chemical anchor bolts is not less than 8d, and d is the chemical anchor bolts diameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105818154A CN103410243A (en) | 2012-12-27 | 2012-12-27 | Wide channel double-layer ventilating outer wall utilizing photovoltaic power generation |
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| CN2012105818154A CN103410243A (en) | 2012-12-27 | 2012-12-27 | Wide channel double-layer ventilating outer wall utilizing photovoltaic power generation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522424A (en) * | 2015-09-10 | 2017-03-22 | 珠海兴业绿色建筑科技有限公司 | Startup controllable photovoltaic ventilation sun-shading system |
| CN108404189A (en) * | 2018-02-12 | 2018-08-17 | 奥普家居股份有限公司 | Disinfection of indoor air method and device |
| CN108643423A (en) * | 2018-08-09 | 2018-10-12 | 国家能源投资集团有限责任公司 | The control method of the flame barrier of photovoltaic system |
| CN111335493A (en) * | 2020-03-06 | 2020-06-26 | 河南五方合创建筑设计有限公司 | Building integrated photovoltaic insulation board |
| CN114293650A (en) * | 2021-12-02 | 2022-04-08 | 柏涛建筑设计（深圳）有限公司 | Curtain wall structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108643423B (en) * | 2018-08-09 | 2020-02-14 | 国家能源投资集团有限责任公司 | Control method of fireproof piece of photovoltaic system |
| CN111335493A (en) * | 2020-03-06 | 2020-06-26 | 河南五方合创建筑设计有限公司 | Building integrated photovoltaic insulation board |
| CN114293650A (en) * | 2021-12-02 | 2022-04-08 | 柏涛建筑设计（深圳）有限公司 | Curtain wall structure |
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Application publication date: 20131127 |